WordPress at a glance
filter is not described

teeny_mce_buttons filter-hook . WP 2.7.0

Filters the list of teenyMCE buttons (Text tab).

Usage

add_filter( 'teeny_mce_buttons', 'filter_function_name_1960', 10, 2 );
function filter_function_name_1960( $buttons, $editor_id ){
	// filter...

	return $buttons;
}
$buttons(array)
An array of teenyMCE buttons.
$editor_id(string)
Unique editor identifier, e.g. 'content'.

Where the hook is called

_WP_Editors::editor_settings()
teeny_mce_buttons
wp-includes/class-wp-editor.php 569
$mce_buttons = apply_filters( 'teeny_mce_buttons', array('bold', 'italic', 'underline', 'blockquote', 'strikethrough', 'bullist', 'numlist', 'alignleft', 'aligncenter', 'alignright', 'undo', 'redo', 'link', 'fullscreen'), $editor_id );

Where the hook is used (in WP core)

Does not used.